Your ROOT_URL in app.ini is https://git.cloudchain.link/ but you are visiting https://dash.bss.nz/open-source-mirrors/Sonarr/commits/commit/56473244abe224791062079440b232402135c0d0/IISExpress/custerr/en-us/401.htm
You should set ROOT_URL correctly, otherwise the web may not work correctly.